Plays music every way you can imagine. FM Radio, blue tooth, or serve up your iTunes media library through the Logitech media server with PiCore on your Raspberry Pi:
Step 1: Parts
I had a 100 year old fruit box with no bottom, that my wife wouldn't let me throw away. Added some Chestnut, and painted birch plywood, and some drawer hardware. Very custom box build, so won't go into much detail.
Lepai LP -A86 USB on amplifier powers the raspberry pi
Pyle 150 Watt Marine speakers
PiCore Player for Raspberry Pi - Download image at http:sites.google.com/site/picoreplayer/home. Free download, but it is definitely worth a donation.
Logitec Media Server - free download
Lipo Battery back-up - Plays while it charges and will run approximately two hours on battery
Squeezebox app for Iphone acts as remote - The app I downloaded for free works fine. There are several free and pay options.
Sorry, but copy, paste, and links were not working when I published, so this instructable is what it is.